726407 has 4 divisors (see below), whose sum is σ = 792456. Its totient is φ = 660360.

The previous prime is 726391. The next prime is 726413. The reversal of 726407 is 704627.

726407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 726407 - 2⁴ = 726391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 726407.

It is not an unprimeable number, because it can be changed into a prime (726457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33008 + ... + 33029.

It is an arithmetic number, because the mean of its divisors is an integer number (198114).

2⁷²⁶⁴⁰⁷ is an apocalyptic number.

726407 is a deficient number, since it is larger than the sum of its proper divisors (66049).

726407 is a wasteful number, since it uses less digits than its factorization.

726407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66048.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 726407 is about 852.2951366751. The cubic root of 726407 is about 89.8931654132.

The spelling of 726407 in words is "seven hundred twenty-six thousand, four hundred seven".